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Coinpaprika vs OpenSea

Same instrument, two spec sheets — measured, not claimed.

APICoinpaprikaDEAD0OpenSeaDEAD0
Uptime · 30d
Uptime · 90d1.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms291—
P95 · ms291—
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitRetry-After: 3600sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinpaprika vs OpenSea: common questions

Which is more reliable, Coinpaprika or OpenSea?

On our scheduled checks, Coinpaprika leads on measured uptime — Coinpaprika at 1.0% versus OpenSea at 0.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Coinpaprika and OpenSea need an API key?

Coinpaprika needs no key, while OpenSea requires a free API key. If you want to start calling without signup, reach for Coinpaprika first.

Can I call Coinpaprika and OpenSea from the browser?

Only OpenSea is browser-friendly — it returns CORS headers over HTTPS. Coinpaprika needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Coinpaprika and OpenSea free for commercial use?

Coinpaprika has unclear commercial terms, and OpenSea has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.